Explanation:
The preparation of the multiple -step income statement is presented below:
Armstrong Co.
Multiple -step income statement
For the year ended December 31
Sales $755,000
Less: Cost of goods sold -$330,000
Gross profit $425,000
Less: Operating expenses
Administrative expenses -$35,000
Selling expenses -$50,000
Operating income $340,000
Non operating income or others
Interest expense -$30,000
Rent revenue $25,000
Net income $335,000